Sensitivity:	-54 +/- 4dB (0dB=1V/Pa, 1kHz)
Impedance :	680 ohms +/- 30%
Directivity :	Noise Cancelling
Frequency:	100-12,000 Hz
Max. Operating Voltage:	10V DC
Standard Operating Voltage:	1.5V DC
Current Consumption :	0.5mA max.
Sensitivity Reduction:	Within -3dB at 1.5V
S/N Ratio:	56dB min.